Gonococcal transferrin-binding protein 2 facilitates but is not essential for transferrin utilization

Abstract excerpt

Pathogenic Neisseria species have been shown to scavenge iron from transferrin (Tf), although the mechanism is not yet fully understood. Two iron-repressible proteins that exhibit Tf-binding activity have been identified. This work describes the cloning and sequencing of tbpB, a 2.1-kb gene in N. gonorrhoeae that encodes Tbp2, an 85-kDa iron-repressible lipoprotein. Transcriptional interruption of tbpB had a...

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